package test.demo;


import java.util.Scanner;

/*
IDEA实用快捷键
Alt + /   显示代码提示
Ctrl+/  添加或取消单行注释
Ctrl+Shift+/  添加或取消多行注释
Ctrl+D  复制行
Ctrl+X  删除行
Alt+Enter 导入包,自动修正
CTRL+Shift+L格式化代码
Ctrl+N   查找类
CTRL+R 收索并替换
Alt+Insert 生成代码(如get,set方法,构造函数等)
* */
public class IDEADemo5 {
    public static void main(String[] args) {

        System.out.println("hello1");
        System.out.println("hello2");
        System.out.println("hello3");
        System.out.println("hello4");
        int a = 100;
        System.out.println("hello5");
        System.out.println("hello6");
        System.out.println("hello7");



        Scanner scanner = new Scanner(System.in);

        long I = 100L;
        int i = (int) I;
    }
}
